They will spread to non-endemic regions, especially in highlands areas. This is attributed to global warming that is resulting in increased global temperatures. Mosquitoes were know to only be endemic to warm regions such as coastal strips. As once cooler regions begin to warm up, mosquitoes will spread to the areas. Malaria will thus be more prevalent.
Diffusion is something spreading, example: spraying perfume in a room
The thymus is the only lymphoid organ that does not D. fight the antigens directly.
- The thymus, bone marrow, spleen,lymph nodes, a network of lymphoid tissue along secretory surface (MALT), and the skin which performs the immune functions are known as lymphoid organs.
- On the basis of its role, lymphoid organ are classified into primary and secondary lymphoid organ.
- The lymphocytes from bone marrow are transformed into specialised T cells in the thymus. In this way thymus helps to improve the immune system
- T cells produced in the thymus is travels through the blood stream to lymphnodes and other parts of the body to fight against the antigen.
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The protons and neutrons of an atom are found in the nucleus at the centre of an atom
